The boy __________ went to the hospital to ask for doctor's help

Câu hỏi :

The boy __________ went to the hospital to ask for doctor's help

A whose sister sicked     

B whose sick sister          

C whose sister was sick  

D who his sister is sick

* Đáp án

C

* Hướng dẫn giải

Phương pháp giải:

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